SevenZip (.sevenzip)
.sevenzip file signature | application/x-7z-compressed
Magic Bytes
Offset 0
37 7A BC AF 27 1C
Sources: Neil Harvey FileSignatures
Extension
.sevenzip
MIME Type
application/x-7z-compressed
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .sevenzip files in Python
def is_sevenzip(file_path: str) -> bool:
"""Check if file is a valid SEVENZIP by magic bytes."""
signature = bytes([0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C])
with open(file_path, "rb") as f:
return f.read(6) == signatureHow to validate .sevenzip files in Node.js
function isSEVENZIP(buffer: Buffer): boolean {
const signature = Buffer.from([0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C]);
return buffer.subarray(0, 6).equals(signature);
}How to validate .sevenzip files in Go
func IsSEVENZIP(data []byte) bool {
signature := []byte{0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C}
if len(data) < 6 {
return false
}
return bytes.Equal(data[:6], signature)
}API Endpoint
/api/v1/sevenzip
curl https://filesignature.org/api/v1/sevenzip
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .sevenzip file?
A .sevenzip file is a SevenZip file.
What are the magic bytes for .sevenzip files?
The magic bytes for SevenZip files are 37 7A BC AF 27 1C at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .sevenzip file?
To validate a .sevenzip file, read the first bytes of the file and compare them against the known magic bytes (37 7A BC AF 27 1C) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .sevenzip files?
The primary MIME type for .sevenzip files is application/x-7z-compressed.
Is it safe to open .sevenzip files?
SevenZip (.sevenzip) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.